Forests in michigan, as well as forests throughout the states, are under increasing development pressure. parcelization is the division of ownership into smaller and smaller parcels. fragmentation is when the forest canopy is dissected for houses, lawns, driveways, and other infrastructure. together, parcelization and fragmentation have impacts on forest ecology and forest biodiversity.

Use carefully controlled burns as a management tool to maintain plant communities. While this technique may be appropriate in certain cases, it is not a way to prevent fragmentation or parcelization of forest. D

oxygen is the first element in group 16 (via) of the periodic table. the periodic table is a chart that shows how chemical elements are related to each other. the elements in group 16 are said to belong to the chalcogen family. other elements in this group include  sulfur, selenium, tellurium,  and  polonium.  the name chalcogen comes from the greek word  chalkos,  meaning "ore." the first two members of the family, oxygen and sulfur, are found in most ores.

oxygen is by far the most abundant element in the earth's crust. nearly half of all the atoms in the earth are oxygen atoms. oxygen also makes up about one-fifth of the earth's atmosphere. nearly 90 percent of the weight of the oceans is due to oxygen. in addition, oxygen is thought to be the third most abundant element in the universe and in the solar system.